Chemistry

Chemistry, 10.02.2021 03:30, natiem1803

Krypton 81 is used for lung ventilation studies. It’s half life is 13 seconds. How long will it take for 100 cpm to decrease in activity to 25 cpm

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Krypton 81 is used for lung ventilation studies. It’s half life is 13 seconds. How long will it take...

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